From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Brendan Higgins <brendanhiggins@google.com>,
Peter Zijlstra <peterz@infradead.org>,
Alexey Dobriyan <adobriyan@gmail.com>,
Miguel Ojeda <ojeda@kernel.org>,
Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>,
KUnit Development <kunit-dev@googlegroups.com>,
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"Rafael J. Wysocki" <rafael@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
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John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>, Thomas Graf <tgraf@suug.ch>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Cameron <jic23@kernel.org>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: Re: [PATCH v1 3/3] kernel.h: Split out container_of() and typeof_memeber() macros
Date: Tue, 13 Jul 2021 15:45:51 +0300 [thread overview]
Message-ID: <CAHp75VfGd6VYyCjbqxO91B4RyyYuNQd_XKJA=yLMWJpa7-Yi9Q@mail.gmail.com> (raw)
In-Reply-To: <20210713121944.GA24157@gondor.apana.org.au>
On Tue, Jul 13, 2021 at 3:21 PM Herbert Xu <herbert@gondor.apana.org.au> wrote:
> On Tue, Jul 13, 2021 at 01:23:01PM +0200, Greg Kroah-Hartman wrote:
> >
> > Life is messy and can not easily be partitioned into tiny pieces. That
> > way usually ends up being even messier in the end...
>
> One advantage is less chance of header loops which very often
> involve kernel.h and one of the most common reasons for other
> header files to include kernel.h is to access container_of.
Thanks, yes, that's also one important point.
> However, I don't see much point in touching *.c files that include
> kernel.h.
The whole idea came when discussing drivers, esp. IIO ones. They often
are using ARRAY_SIZE() + container_of(). kernel.h is a big overkill
there.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2021-07-13 12:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-13 8:45 [PATCH v1 1/3] kernel.h: Don't pollute header with single user macros Andy Shevchenko
2021-07-13 8:45 ` [PATCH v1 2/3] kernel.h: Drop unneeded <linux/kernel.h> inclusion from other headers Andy Shevchenko
2021-07-13 8:45 ` [PATCH v1 3/3] kernel.h: Split out container_of() and typeof_memeber() macros Andy Shevchenko
2021-07-13 10:37 ` Greg Kroah-Hartman
2021-07-13 11:16 ` Andy Shevchenko
2021-07-13 11:23 ` Greg Kroah-Hartman
2021-07-13 12:19 ` Herbert Xu
2021-07-13 12:45 ` Andy Shevchenko [this message]
2021-07-13 13:58 ` David Laight
2021-07-13 18:39 ` Miguel Ojeda
2021-10-07 9:20 ` Andy Shevchenko
2021-10-07 10:00 ` Andy Shevchenko
2021-10-07 15:39 ` Miguel Ojeda
2021-10-07 15:55 ` Andy Shevchenko
2021-07-13 12:38 ` [PATCH v1 1/3] kernel.h: Don't pollute header with single user macros Peter Zijlstra
2021-07-13 12:42 ` Andy Shevchenko
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